🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.3

Radius: 10.2

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.67 AU - 0.81 AU

Year: 424 Days

Day: 5.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 82.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,248,800 km

• M1: 127,757 km (0.069 R)
• M2: 713,582 km (0.087 R)
• M3: 1,076,057 km (0.067 R)
• M4: 1,557,164 km (0.066 R)
• M5: 2,194,302 km (0.091 R)
• M6: 2,937,653 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.8

Radius: 9.9

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.06 AU - 1.18 AU

Year: 790 Days

Day: 14 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,248,800 km

• M1: 123,119 km (0.112 R)
• M2: 469,289 km (0.088 R)
• M3: 803,789 km (0.03 R)
• M4: 1,149,809 km (0.112 R)
• M5: 1,750,594 km (0.072 R)
• M6: 2,316,822 km (0.088 R)
• M7: 2,856,571 km (0.099 R)
• M8: 3,505,677 km (0.08 R)
• M9: 4,020,742 km (0.102 R)
• M10: 4,819,445 km (0.115 R)
• M11: 5,475,880 km (0.085 R)
• M12: 5,796,917 km (0.119 R)
• M13: 6,858,314 km (0.085 R)
• M14: 7,187,280 km (0.058 R)
• M15: 7,503,979 km (0.048 R)
• M16: 7,877,225 km (0.091 R)
• M17: 8,213,970 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.8

Radius: 11.7

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.29 AU - 1.35 AU

Year: 1011 Days

Day: 13.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,248,800 km

• M1: 145,559 km (0.089 R)
• M2: 524,341 km (0.038 R)
• M3: 950,694 km (0.086 R)
• M4: 1,371,663 km (0.104 R)
• M5: 2,094,221 km (0.069 R)
• M6: 3,586,011 km (0.067 R)
• M7: 4,564,680 km (0.043 R)
• M8: 5,163,969 km (0.094 R)
• M9: 5,753,833 km (0.052 R)
• M10: 6,454,101 km (0.048 R)
• M11: 7,045,162 km (0.099 R)
• M12: 8,179,264 km (0.092 R)
• M13: 9,065,182 km (0.05 R)
• M14: 9,984,311 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.6

Radius: 10.3

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.34 AU - 1.6 AU

Year: 1189 Days

Day: 13.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,248,800 km

• M1: 156,779 km (0.107 R)
• M2: 483,351 km (0.115 R)
• M3: 832,063 km (0.025 R)
• M4: 1,156,242 km (0.109 R)
• M5: 1,560,904 km (0.081 R)
• M6: 2,132,218 km (0.069 R)
• M7: 2,918,804 km (0.099 R)
• M8: 4,839,940 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.9

Radius: 9.4

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.45 AU - 1.53 AU

Year: 1213 Days

Day: 12.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,248,800 km

• M1: 117,285 km (0.119 R)
• M2: 673,490 km (0.099 R)
• M3: 991,684 km (0.077 R)
• M4: 1,558,660 km (0.099 R)
• M5: 2,020,618 km (0.061 R)
• M6: 2,512,646 km (0.097 R)
• M7: 2,909,828 km (0.1 R)
• M8: 3,377,471 km (0.053 R)
• M9: 3,675,470 km (0.107 R)
• M10: 4,325,024 km (0.066 R)
• M11: 4,916,833 km (0.05 R)
• M12: 5,380,287 km (0.07 R)
• M13: 5,788,690 km (0.073 R)
• M14: 7,139,409 km (0.103 R)
• M15: 7,760,240 km (0.111 R)
• M16: 8,070,656 km (0.083 R)
• M17: 8,443,453 km (0.075 R)
• M18: 8,799,945 km (0.069 R)
• M19: 9,195,033 km (0.097 R)
• M20: 9,809,731 km (0.108 R)
• M21: 10,671,714 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.3

Radius: 8.1

Gravity: 14.33 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.55 AU - 2.15 AU

Year: 1678 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,248,800 km

• M1: 100,679 km (0.029 R)
• M2: 380,577 km (0.079 R)
• M3: 690,095 km (0.033 R)
• M4: 1,678,638 km (0.095 R)
• M5: 1,938,190 km (0.072 R)
• M6: 2,249,802 km (0.066 R)
• M7: 2,974,754 km (0.065 R)
• M8: 3,883,710 km (0.116 R)
• M9: 4,901,425 km (0.07 R)
• M10: 5,277,364 km (0.115 R)
• M11: 5,720,174 km (0.058 R)
• M12: 7,367,845 km (0.072 R)
• M13: 7,655,821 km (0.075 R)
• M14: 9,680,628 km (0.065 R)
• M15: 10,964,327 km (0.086 R)
• M16: 12,438,614 km (0.055 R)
• M17: 12,971,931 km (0.028 R)
• M18: 15,539,329 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.2

Radius: 4

Gravity: 23.2 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.22 AU - 8.24 AU

Year: 11643 Days

Day: 20.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,248,800 km

• M1: 76,295 km (0.1 R)
• M2: 204,500 km (0.092 R)
• M3: 741,108 km (0.103 R)
• M4: 872,006 km (0.086 R)
• M5: 1,114,205 km (0.071 R)
• M6: 1,287,439 km (0.109 R)
• M7: 2,065,199 km (0.104 R)
• M8: 4,449,489 km (0.108 R)
• M9: 8,092,048 km (0.099 R)
• M10: 12,023,181 km (0.096 R)
• M11: 13,632,854 km (0.081 R)
• M12: 14,803,607 km (0.09 R)
• M13: 16,512,015 km (0.111 R)
• M14: 18,567,489 km (0.099 R)
• M15: 20,946,694 km (0.103 R)
• M16: 22,753,387 km (0.086 R)
• M17: 30,606,528 km (0.114 R)
• M18: 35,134,556 km (0.099 R)
• M19: 35,360,598 km (0.119 R)
• M20: 36,390,131 km (0.108 R)
• M21: 37,557,293 km (0.043 R)
• M22: 40,336,074 km (0.084 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 17,716 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit